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What Services A1 to A9 Mean for the Mercedes-Benz C-Class W203/W204/W205

Model: Mercedes Classe C W205 - Years: 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021
Part: Checks and maintenance

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Video tutorial

This video explains what is done to your Mercedes-Benz C-Class 2203/204/205 during the A1 to A9 service intervals. Service A is the basic service: engine oil change, oil filter replacement, tire inspection (pressure, wear, rotation), brake component inspection; reset service indicator.

Each number corresponds to one or more additional operations: A1 = brake fluid replacement; A2 = brake fluid replacement + sunroof cleaning and lubrication; A3 = cabin filter and spark plug replacement; A4 = cabin filter + spark plugs + sunroof cleaning/lubrication; A5 = cabin filter + spark plugs + brake fluid; A6 = cabin filter + spark plugs + brake fluid + sunroof; A7 = automatic transmission oil and filter replacement; A8 = automatic transmission oil and filter + sunroof; A9 = automatic transmission oil and filter + brake fluid.


Posted on 6 September 2026 by ScegliAuto


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